Hepatitis B vaccine
hepatitis B vaccine · hep B shot · hepatitis B vaccination · HBV vaccine
A vaccine shot that protects the liver from the hepatitis B virus. Usually several shots are needed on a schedule.
For newborns in the first days of life, children on the schedule, unvaccinated adults, health workers, and people with a family member who carries the virus.
⏱ Duration: the shot takes a few seconds, with the checkup usually 15 to 40 minutes; the course is usually 3 shots over a few months

Be sure to tell your doctor
How to prepare
- Health. The vaccine is given when you are well. You will be checked first.
- Schedule. The course is usually 3 shots. Write down the dates so you do not miss one.
- Clothes. Wear something that makes it easy to uncover your upper arm.
What to bring
- Your ID
- Your vaccination certificate or record
How it goes
- The doctor or nurse asks how you feel and takes your temperature
- You uncover your upper arm
- The skin is wiped, and the shot is given
- The vaccine is recorded in your documents
- After the shot, sit in the clinic for about 30 minutes
What you'll feel
- A quick prick
- Sometimes soreness at the spot for 1 to 2 days
- Sometimes tiredness or a mild fever
Afterwards
- Stay near the room for 30 minutes
- You can go back to normal activities
- Next shot on schedule. You will be given the date
Contact a doctor straight away if
- Trouble breathing, swelling of the face or throat, or a rash all over: call emergency services
Common questions
What if I missed the second shot?
The course usually does not need to start over. See your doctor, and they will continue from where you left off.
Should I check my protection after the course?
Sometimes an antibody test is advised, for example for health workers. Ask your doctor.